[PATCH v6 29/34] kvm: x86: svm: Support Secure Memory Encryption within KVM
Borislav Petkov
bp at alien8.de
Thu Jun 15 02:55:59 PDT 2017
On Wed, Jun 07, 2017 at 02:18:15PM -0500, Tom Lendacky wrote:
> Update the KVM support to work with SME. The VMCB has a number of fields
> where physical addresses are used and these addresses must contain the
> memory encryption mask in order to properly access the encrypted memory.
> Also, use the memory encryption mask when creating and using the nested
> page tables.
>
> Signed-off-by: Tom Lendacky <thomas.lendacky at amd.com>
> ---
> arch/x86/include/asm/kvm_host.h | 2 +-
> arch/x86/kvm/mmu.c | 12 ++++++++----
> arch/x86/kvm/mmu.h | 2 +-
> arch/x86/kvm/svm.c | 35 ++++++++++++++++++-----------------
> arch/x86/kvm/vmx.c | 3 ++-
> arch/x86/kvm/x86.c | 3 ++-
> 6 files changed, 32 insertions(+), 25 deletions(-)
Patches 27-29:
Reviewed-by: Borislav Petkov <bp at suse.de>
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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